| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United States | 3 | |
| #3 | Canada | 2 | |
| #4 | France | 2 | |
| #5 | Switzerland | 1 | |
| #6 | United Kingdom | 1 | |
| #7 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rodgers Frank J | 6 |
| #2 | Gibson Harold | 3 |
| #3 | Mode Paul | 2 |
| #4 | Rodgers F J | 1 |
| #5 | Gibson H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3025427A1 | CONNECTING DEVICE AND HOLDING BODY HERE | |
| US4313331A | Method of manufacturing a metallic retaining ring for a tube | |
| US4068867A | Air hose fitting | |
| GB1494377A | Hose fittings | |
| US3957293A | Air hose |